1301532061 has 2 divisors, whose sum is σ = 1301532062. Its totient is φ = 1301532060.

The previous prime is 1301531989. The next prime is 1301532097. The reversal of 1301532061 is 1602351031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1280279961 + 21252100 = 35781^2 + 4610^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301532061 - 2¹³ = 1301523869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301532161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650766030 + 650766031.

It is an arithmetic number, because the mean of its divisors is an integer number (650766031).

Almost surely, 2^1301532061 is an apocalyptic number.

It is an amenable number.

1301532061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301532061 is an equidigital number, since it uses as much as digits as its factorization.

1301532061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1301532061 is about 36076.7523621514. The cubic root of 1301532061 is about 1091.8214533298.

Adding to 1301532061 its reverse (1602351031), we get a palindrome (2903883092).

The spelling of 1301532061 in words is "one billion, three hundred one million, five hundred thirty-two thousand, sixty-one".